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Finding the Fourth Proportional to 314,740.56, 471,767.34 and 154,926.48

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Solution

The fourth proportional to 314,740.56, 471,767.34 and 154,926.48 is: 232,220.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,740.56 : 471,767.34 = 154,926.48 : x
  2. Step 2: Convert to fraction form
    314,740.56/471,767.34 = 154,926.48/x
  3. Step 3: Cross multiply
    314,740.56x = 471,767.34 × 154,926.48
  4. Step 4: Simplify right side
    314,740.56x = 73,089,253,365.16
  5. Step 5: Solve for x
    x = 73,089,253,365.16/314,740.56
  6. Step 6: Final answer
    x = 232,220.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.